CA1086277A - Pair of rotors for a rotary piston pump - Google Patents

Pair of rotors for a rotary piston pump

Info

Publication number
CA1086277A
CA1086277A CA288,952A CA288952A CA1086277A CA 1086277 A CA1086277 A CA 1086277A CA 288952 A CA288952 A CA 288952A CA 1086277 A CA1086277 A CA 1086277A
Authority
CA
Canada
Prior art keywords
rotor
flank
rotors
pair
lands
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA288,952A
Other languages
English (en)
French (fr)
Inventor
Sven E. Eriksson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Atlas Copco AB filed Critical Atlas Copco AB
Application granted granted Critical
Publication of CA1086277A publication Critical patent/CA1086277A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/082—Details specially related to intermeshing engagement type machines or pumps
    • F04C2/084—Toothed wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Rotary-Type Compressors (AREA)
  • Reciprocating Pumps (AREA)
CA288,952A 1976-10-19 1977-10-18 Pair of rotors for a rotary piston pump Expired CA1086277A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7611579A SE414814B (sv) 1976-10-19 1976-10-19 Rotorpar for en blasmaskin
SE7611579-9 1976-10-19

Publications (1)

Publication Number Publication Date
CA1086277A true CA1086277A (en) 1980-09-23

Family

ID=20329179

Family Applications (1)

Application Number Title Priority Date Filing Date
CA288,952A Expired CA1086277A (en) 1976-10-19 1977-10-18 Pair of rotors for a rotary piston pump

Country Status (9)

Country Link
US (1) US4227869A (de)
JP (1) JPS5354304A (de)
BE (1) BE859693A (de)
CA (1) CA1086277A (de)
DE (1) DE2746693A1 (de)
FR (1) FR2368622A1 (de)
GB (1) GB1547116A (de)
IT (1) IT1090189B (de)
SE (1) SE414814B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318415A (en) * 1992-10-02 1994-06-07 Gramprotex Holdings Inc. Grooved pump chamber walls for flushing fiber deposits

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1155626B (it) * 1982-02-23 1987-01-28 Fiat Auto Spa Compressore volumetrico rotativo del tipo roots
GB2125109A (en) * 1982-08-10 1984-02-29 Paul William Nachtrieb Rotary positive-displacement fluid-machines
JPS59135391U (ja) * 1983-03-01 1984-09-10 アイシン精機株式会社 流体機器
JPS6075793A (ja) * 1983-09-30 1985-04-30 Aisin Seiki Co Ltd ル−ツ型ブロア
US4643654A (en) * 1985-09-12 1987-02-17 American Standard Inc. Screw rotor profile and method for generating
JP2761233B2 (ja) * 1989-02-17 1998-06-04 富士重工業株式会社 ルーツ型ブロワ
DE4138913C1 (de) * 1991-11-27 1993-06-09 John S. Barnes Gmbh, 8670 Hof, De
US8156937B2 (en) 2003-08-04 2012-04-17 Carefusion 203, Inc. Portable ventilator system
US7527053B2 (en) 2003-08-04 2009-05-05 Cardinal Health 203, Inc. Method and apparatus for attenuating compressor noise
US20050112013A1 (en) * 2003-08-04 2005-05-26 Pulmonetic Systems, Inc. Method and apparatus for reducing noise in a roots-type blower
EP1653905B1 (de) 2003-08-04 2016-06-15 Carefusion 203, Inc. Tragbares ventilatorsystem
US8118024B2 (en) 2003-08-04 2012-02-21 Carefusion 203, Inc. Mechanical ventilation system utilizing bias valve
US7607437B2 (en) 2003-08-04 2009-10-27 Cardinal Health 203, Inc. Compressor control system and method for a portable ventilator
US7997885B2 (en) 2007-12-03 2011-08-16 Carefusion 303, Inc. Roots-type blower reduced acoustic signature method and apparatus
US8888711B2 (en) 2008-04-08 2014-11-18 Carefusion 203, Inc. Flow sensor
GB2468876B (en) * 2009-03-25 2011-06-29 Environmental Mfg Llp A rotary mechanism
DE102013110091B3 (de) * 2013-09-13 2015-02-12 Pfeiffer Vacuum Gmbh Wälzkolbenpumpe mit zwei Rotoren
CN108757448B (zh) * 2018-07-12 2023-08-08 中国石油大学(华东) 一种三叶分段圆弧型罗茨转子及其型线设计方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR741835A (de) * 1933-02-21
US325276A (en) * 1885-09-01 Rotary pump
DE499675C (de) * 1927-01-04 1930-06-14 Josef Kozousek Zahnradverdichter, -pumpe o. dgl. mit Evolventen- oder Zykloidenverzahnung
GB439908A (en) * 1934-09-28 1935-12-17 Brown David & Sons Ltd Improvements in rotors for pumps and blowers
DE861733C (de) * 1950-10-25 1953-01-05 Hartmann A G Maschf Drehkolben fuer Geblaese od. dgl.
US3089638A (en) * 1958-12-01 1963-05-14 Dresser Ind Impellers for fluid handling apparatus of the rotary positive displacement type
DE1703849B1 (de) * 1968-07-18 1971-07-29 Maag Zahnraeder & Maschinen Ag Verzahnung fuer Zahnradpumpe mit Hilfsgetriebe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5318415A (en) * 1992-10-02 1994-06-07 Gramprotex Holdings Inc. Grooved pump chamber walls for flushing fiber deposits

Also Published As

Publication number Publication date
DE2746693A1 (de) 1978-04-20
FR2368622A1 (fr) 1978-05-19
FR2368622B1 (de) 1983-09-23
DE2746693C2 (de) 1988-07-28
IT1090189B (it) 1985-06-18
SE7611579L (sv) 1978-04-20
JPS5354304A (en) 1978-05-17
BE859693A (fr) 1978-02-01
SE414814B (sv) 1980-08-18
US4227869A (en) 1980-10-14
GB1547116A (en) 1979-06-06

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Legal Events

Date Code Title Description
MKEX Expiry